nsAccessibleEventData.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- *//* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Kyle Yuan (kyle.yuan@sun.com) * John Sun (john.sun@sun.com) * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */#ifndef _nsAccessibleEventData_H_#define _nsAccessibleEventData_H_#include "nsCOMPtr.h"#include "nsIAccessibleEvent.h"#include "nsIAccessible.h"#include "nsIAccessibleDocument.h"#include "nsIDOMNode.h"class nsAccessibleEventData: public nsIAccessibleEvent
{
public:
// Initialize with an nsIAccessible
nsAccessibleEventData(PRUint32 aEventType, nsIAccessible *aAccessible,
nsIAccessibleDocument *aDocAccessible,
void *aEventData);
// Initialize with an nsIDOMNode
nsAccessibleEventData(PRUint32 aEventType, nsIDOMNode *aDOMNode,
nsIAccessibleDocument *aDocAccessible,
void *aEventData);
virtual ~nsAccessibleEventData() {};
NS_DECL_ISUPPORTS
//nsIAccessibleEvent
NS_IMETHOD GetEventType(PRUint32 *aEventType) {*aEventType = mEventType; return NS_OK;}
NS_IMETHOD GetAccessible(nsIAccessible **aAccessible);
NS_IMETHOD GetAccessibleDocument(nsIAccessibleDocument **aDocAccessible)
{NS_ADDREF(*aDocAccessible = mDocAccessible); return NS_OK;}
NS_IMETHOD GetDOMNode(nsIDOMNode **aDOMNode);
private:
PRUint32 mEventType;
nsCOMPtr<nsIAccessible> mAccessible;
nsCOMPtr<nsIDOMNode> mDOMNode;
nsCOMPtr<nsIAccessibleDocument> mDocAccessible;
void *mEventData;
};
// XXX todo: We might want to use XPCOM interfaces instead of structs// e.g., nsAccessibleTextChangeEvent: public nsIAccessibleTextChangeEvent// struct AtkStateChange {
PRUint32 state;
PRUint32 extState;
PRBool enable;
AtkStateChange() {
state = 0;
extState = 0;
enable = PR_FALSE;
}
};
enum AtkProperty {
PROP_0, // gobject convention
PROP_NAME,
PROP_DESCRIPTION,
PROP_PARENT, // ancestry has changed
PROP_VALUE,
PROP_ROLE,
PROP_LAYER,
PROP_MDI_ZORDER,
PROP_TABLE_CAPTION,
PROP_TABLE_COLUMN_DESCRIPTION,
PROP_TABLE_COLUMN_HEADER,
PROP_TABLE_ROW_DESCRIPTION,
PROP_TABLE_ROW_HEADER,
PROP_TABLE_SUMMARY,
PROP_LAST // gobject convention
};
struct AtkPropertyChange {
PRInt32 type; // property type as listed above void *oldvalue;
void *newvalue;
};
struct AtkChildrenChange {
PRInt32 index; // index of child in parent nsIAccessible *child;
PRBool add; // true for add, false for delete
};
struct AtkTextChange {
PRInt32 start;
PRUint32 length;
PRBool add; // true for add, false for delete
};
struct AtkTableChange {
PRUint32 index; // the start row/column after which the rows are inserted/deleted.
PRUint32 count; // the number of inserted/deleted rows/columns
};
#endif